photometry

[ foh-tom-i-tree ]

noun

1. the measurement of the intensity of light or of relative illuminating power.
2. the science dealing with such measurements.

photometry

/ ˌfəʊtəˈmɛtrɪk; fəʊˈtɒmɪtrɪ /

noun

1. the measurement of the intensity of light
2. the branch of physics concerned with such measurements

photometry

/ fō-tŏm′ĭ-trē /

1. The measurement of the intensity, brightness, or other properties of light.
2. Also called photometrics
3. See also luminous intensity

Derived Forms

• ˌphotoˈmetrically, adverb
• phoˈtometrist, noun
• photometric, adjective

Other Words From

• pho·to·met·ric [foh-t, uh, -, me, -trik], photo·metri·cal adjective
• pho·tome·trist pho·to·me·tri·cian [foh-t, uh, -me-, trish, -, uh, n], noun

Word History and Origins

Origin of photometry¹

From the New Latin word photometria, dating back to 1815–25. See photo-, -metry

Example Sentences

The new study pioneers a new approach to use photometry -- with an unprecedented four filters -- to find the supernovae, classify them and measure their light curves.

From Science Daily

With the help of UV photometry and optical spectroscopy, they identified a population of 25 stars that are consistent with the expectations for intermediate-mass helium stars.

From Science Daily

"Our newly created fiber photometry method provides a gateway for understanding the physiology of glia."

From Science Daily

Rather than let her continue with the spectra, he instead directed her to the field of standard photometry.

From Scientific American

For now the galaxies have only been studied by photometry, with spectroscopic analysis planned for July.

From Scientific American